/*
 * Copyright (C) 2005-2011 MaNGOS <http://www.getmangos.com/>
 *
 * Copyright (C) 2008-2011 Trinity <http://www.trinitycore.org/>
 *
 * Copyright (C) 2010-2011 ArkCORE <http://www.arkania.net/>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

#include "gamePCH.h"
#include "DatabaseEnv.h"
#include "GridDefines.h"
#include "WaypointManager.h"
#include "MapManager.h"

WaypointMgr::WaypointMgr() {
}

WaypointMgr::~WaypointMgr() {
	for (WaypointPathContainer::iterator itr = _waypointStore.begin();
			itr != _waypointStore.end(); ++itr) {
		for (WaypointPath::const_iterator it = itr->second.begin();
				it != itr->second.end(); ++it)
			delete *it;

		itr->second.clear();
	}

	_waypointStore.clear();
}

void WaypointMgr::Load() {
	uint32 oldMSTime = getMSTime();

	QueryResult result =
			WorldDatabase.Query(
					"SELECT id, point, position_x, position_y, position_z, move_flag, delay, action, action_chance FROM waypoint_data ORDER BY id, point");

	if (!result) {
		sLog->outErrorDb(
				">> Loaded 0 waypoints. DB table `waypoint_data` is empty!");
		sLog->outString();
		return;
	}

	uint32 count = 0;

	do {
		Field* fields = result->Fetch();
		WaypointData* wp = new WaypointData();

		uint32 pathId = fields[0].GetUInt32();
		WaypointPath& path = _waypointStore[pathId];

		float x = fields[2].GetFloat();
		float y = fields[3].GetFloat();
		float z = fields[4].GetFloat();

		Trinity::NormalizeMapCoord(x);
		Trinity::NormalizeMapCoord(y);

		wp->id = fields[1].GetUInt32();
		wp->x = x;
		wp->y = y;
		wp->z = z;
		wp->run = fields[5].GetBool();
		wp->delay = fields[6].GetUInt32();
		wp->event_id = fields[7].GetUInt32();
		wp->event_chance = fields[8].GetUInt8();

		path.push_back(wp);
		++count;
	} while (result->NextRow());

	sLog->outString(">> Loaded %u waypoints in %u ms", count,
			GetMSTimeDiffToNow(oldMSTime));
	sLog->outString();
}

void WaypointMgr::ReloadPath(uint32 id) {
	WaypointPathContainer::iterator itr = _waypointStore.find(id);
	if (itr != _waypointStore.end()) {
		for (WaypointPath::const_iterator it = itr->second.begin();
				it != itr->second.end(); ++it)
			delete *it;

		_waypointStore.erase(itr);
	}

	QueryResult result =
			WorldDatabase.PQuery(
					"SELECT point, position_x, position_y, position_z, move_flag, delay, action, action_chance FROM waypoint_data WHERE id = %u ORDER BY point",
					id);
	if (!result)
		return;

	WaypointPath& path = _waypointStore[id];

	do {
		Field* fields = result->Fetch();
		WaypointData *wp = new WaypointData();

		float x = fields[1].GetFloat();
		float y = fields[2].GetFloat();
		float z = fields[3].GetFloat();

		Trinity::NormalizeMapCoord(x);
		Trinity::NormalizeMapCoord(y);

		wp->id = fields[0].GetUInt32();
		wp->x = x;
		wp->y = y;
		wp->z = z;
		wp->run = fields[4].GetBool();
		wp->delay = fields[5].GetUInt32();
		wp->event_id = fields[6].GetUInt32();
		wp->event_chance = fields[7].GetUInt8();

		path.push_back(wp);
	} while (result->NextRow());
}
